11. The Divisions are in the charge of Divisional Officers . 12. A presidentially appointed prefect ( " " ), or senior divisional officer , governs each of these. 13. He became a Field Officer and Divisional Officer in England and Secretary for Work in Scotland. 14. The divisions are further sub-divided into sub-divisions ( ), headed by assistant divisional officers ( ). 15. He was Sub-Divisional Officer of Gopalganj and Natore. 16. Each subdivision is headed by the Sub-Divisional Officer . 17. Campo hosts the Campo Subdivision of the Ocean Division and its sub-divisional officer ( SDO ). 18. The divisions are further split into sub-divisions ( ), headed by assistant divisional officers ( ). 19. Between 1968 and 1974, Brett was divisional officer for the Association of Scientific, Technical and Managerial Staffs. 20. Each revenue division is headed by a Revenue Divisional Officer and assisted by Senior Superintendent among others.